[Ethereum] value, gas and gasprice format in web3

web3js

Based on web3js 1.0

Does gasPrice and value accept both number and hexadecimal value and will do the conversion automatically? And what is the correct unit for value, gas and gasPrice. All in wei?

Best Answer

As per Ethereum,

Gas is a unit or number of steps to be execute for your contract. Gas has fixed number of units for a specific operation/computation, this is fixed by Ethereum community. For example to add two numbers EVM consumes it may consumes 3 gas units.

VALUE field - The amount of wei to transfer from the sender to the recipient,

GASPRICE value, representing the fee the sender is willing to pay for gas. One unit of gas corresponds to the execution of one atomic instruction, Gasprice will in wei. Wei is a smallest unit.

Related Solutions

web3.js – How to Use toWei() Function for Tokens with 2 Decimals

Try this:

function strtodec(amount,dec){
stringf = "";
for(var i=0;i<dec;i++){
stringf = stringf+"0";
}
return amount+stringf;
}

You need to call this function using this method:

strtodec(amount,'your token decimal here')

The logic is this: The function adds zeros in the amount as many as decimals you want.

[Ethereum] How to send correct SwapExactEthForTokens params types on ethers/web3.js

Answer for Q1

If not specified, usually the value is in "wei".

So "1 ether" would be 1000000000000000000 wei.

You can use web3.utils to convert "ether"->"wei". web3.utils.toWei('0.01', 'ether')

Best Answer

Related Solutions

web3.js – How to Use toWei() Function for Tokens with 2 Decimals

[Ethereum] How to send correct SwapExactEthForTokens params types on ethers/web3.js

Answer for Q1

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